National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. this week. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England today. Read More >

Current conditions at

Sterling Rockfalls (KSQI)

Lat: 41.74°NLon: 89.67°WElev: 643ft.

Fair

83°F

28°C

Humidity 46%
Wind Speed N 9 mph
Barometer 30.04 in (1016.6 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 29 Jul 11:56 am CDT
Extended Forecast for

3 Miles NNE Sterling IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 85. Northeast wind around 5 mph.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 86 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 64. South wind around 5 mph.

    Low: 64 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 4pm. High near 76. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 76 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 62. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 62 °F

    Showers

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 78. Chance of precipitation is 60%.

    High: 78 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 85. Northeast wind around 5 mph.
Tonight
Mostly clear, with a low around 62. Calm wind.
Thursday
Increasing clouds, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 64. South wind around 5 mph.
Friday
Showers, with thunderstorms also possible after 4pm. High near 76. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
Showers and possibly a thunderstorm. Low around 62. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Saturday
Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 78. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around 61.
Sunday
Sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 61.
Monday
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Sterling IL
 41.84°N 89.67°W (Elev. 663 ft)
Last Update:
7:16 am CDT Jul 29, 2026
Forecast Valid:
12pm CDT Jul 29, 2026-6pm CDT Aug 4, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation